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Philadelphia On The Precipice Of Setting January Climo History


Rainshadow

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If you are going to break depressing records, might as well go all out. 

First no snow at all, would be the first time since records began in 1884.

Second, every day above normal.  From Don Sutherland thru Walt Drag this climo information. 

It may come down to January 31st for both.  Right now it looks like the January 31st high would be at 12:01 am and the low just before midnight.  Faster cfp would make it closer. As is not fast enough.  Wave on the front, real? cold enough? Last chance for snow this month.

 

 

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On 1/28/2023 at 10:08 AM, Rainshadow said:

If you are going to break depressing records, might as well go all out. 

First no snow at all, would be the first time since records began in 1884.

Second, every day above normal.  From Don Sutherland thru Walt Drag this climo information. 

It may come down to January 31st for both.  Right now it looks like the January 31st high would be at 12:01 am and the low just before midnight.  Faster cfp would make it closer. As is not fast enough.  Wave on the front, real? cold enough? Last chance for snow this month.

 

 

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Tony, I believe Saturday, January 14 was ever so slightly below normal.  

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3 hours ago, Captain Lou said:

Tony, I believe Saturday, January 14 was ever so slightly below normal.  

Phl and ilg were +1 on the 14'th. The other Mt Holly climate sites were 0 or -1.

 

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A couple of snowfall stats. The latest first measurable snowfalls at the airport. 72/73  had no snowfall so isn't on list. 22/23 has good shot at latest snowfall or will tie 72/73 for least snowy.

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The longest no snowfall streaks. The current streak has moved into 3rd place.

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1 hour ago, Chubbs said:

Phl and ilg were +1 on the 14'th. The other Mt Holly climate sites were 0 or -1.

 

Thanks, I was checking several different sites. 2 of them had the high at 36 vs. 37 and the overall average temp. for the day (adding in the decimals) were different on several sites by just enough for me to pose the question... 

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6 hours ago, Chubbs said:

Phl and ilg were +1 on the 14'th. The other Mt Holly climate sites were 0 or -1.

 

Midnight high of 37 tainted what was actually a pretty cold overcast day with wind. Vast majority of the day held in the low 30's.

We've had at least 2 late pm / early am temp spikes to near 60 degrees to pad the warmth this month.

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My own PWS data, so not an official measurement, but, of the 13 days where it's gone below freezing here, 3 have ended up with high temps in the 50s, and all but one had a high temp over 41 degrees.

Average highfor Jan so far is 48.4 and the average low is 32.6. I'm at about 200' elevation too and 17 miles from PHL. So even on days when it gets seasonably cool here at night, the daytime temps are a good bit above average. Can't find exact averages for here, but we definitely run cooler than the city.

 

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3 minutes ago, Rainshadow said:

@Chubbs, the ABE & PHL January records are from 1932. 

 

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Yeah I was just using the airports. For Philadelphia, there was a degree or two of cooling when the obs moved to the airport

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17 minutes ago, Chubbs said:

Yeah I was just using the airports. For Philadelphia, there was a degree or two of cooling when the obs moved to the airport

So who had January as the month with our very "accurate" winter outlook?  

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17 minutes ago, Captain Lou said:

Looks like the no snow at all obs. and only 9 days to freezing in January 2023 will set new "futility" records for Philadelphia. These along with the string of consecutive days of above normal temperatures will be broken today as well......yikes

Futility records for the PHL location not the entire Philadelphia period of record which goes back to 1872 for precip, 1874 for temps & 1884 for snowfall. Official records were measured at multiple downtown locations from 1872-1940 & moved to the current airport location in 1940.

Overall JAN 1932 is the warmest JAN on record, the temp only got down to freezing once that month.

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JAN had been relatively insulated from the onslaught of top 10 warm months since the turn of the century. Prior to this month there had only been one of those such instances since 2000 (JAN 2006). 

Top 10 warm months at Philadelphia since 2000:

JAN - 1

FEB - 4

MAR - 4

APR - 4

MAY - 6

JUN - 4

JUL - 6

AUG - 6

SEP - 6

OCT -3

NOV - 7

DEC - 6

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38 minutes ago, Captain Lou said:

No denying the fact that the bulk of these warm records have occurred since 1990.

January has been one of the more resistant months too.  Not as much as March or November.  Even they are starting to lose the fight. 

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